Leptynol
氢氧化钯悬浮液
🗣️ 情景例句
I have been a secretary in an insurance company.
我一直在一家保险公司担任秘书工作。
Perhaps not so.
也许不这样。
Sorry, but could you kindly repeat what you just said?
抱歉，你可以重复刚刚所说的吗？